Electronic cigarette



FIG. 1 is a front elevation view of a new ornamental design for an electronic cigarette.

FIG. 2 is a rear elevation view of FIG. 1;

FIG. 3 is a top elevation view of FIG. 1;

FIG. 4 is a bottom elevation view of FIG. 1;

FIG. 5 is a right side elevation view of FIG. 1;

FIG. 6 is a left side elevation view of FIG. 1; and,

FIG. 7 is a perspective view of FIG. 1.

The broken lines illustrate portions of the electronic cigarette. None of the broken lines form part of the claimed design. 

CLAIM The ornamental design for the electronic cigarette, as shown and described. 